UTK Fall 2024 Review for Exam 1

Which of the following data are qualitative.

• May Favorite Summer Sports

• Number of Tourist Spots

• Number of Math Teachers in the School

• Blood Type of students

• Mailing Addresses

32. A simple random sample of size 12 is obtained from a population that is normally distributed with a mean of 68 and a standard deviation of 5. True or False: a normal distribution can be used to approximate the sampling distribution.

• False

• True

• I do not know.

Tags

CCSS.HSS.ID.A.4

Your favorite pizza topping is an example of

• quantitative data.

• qualitative data.

• neither.

Your favorite pizza topping is an example of a

• continuous random variable.

• discrete random variable.

• neither.

In a questionnaire, respondents are asked to record their age in years. Age is an example of a

• Quantitative Data

• Qualitative Data

A student council surveys 500 students at UTK by getting random samples of 125 1st yrs, 125 2nd yrs, 125 3rd yrs, and 125 4th yrs. The population is

• students at UTK.
• 500 students at UTK

• 125 1st years

The number of coins in a jar is an example of a

• discrete random variable.

• continuous random variable.

• neither.

11. As part of a fuel efficiency study, a large school district wishes to estimate the average weekly mileage for its school buses. A sample of 17 buses is selected at random and the mileages are recorded for that week. The sample mean was found to be 215 miles with a standard deviation of 28 miles. Assume that the population distribution is approximately normal. The population is

• the school buses
• The school buses for the large school district

• 17 buses randomly selected from the school district

• 215 miles with a standard deviation of 28